How to Say "previousness" in Spanish
The Spanish word for “previousness” is “anterioridad” — B2 level.

Examples
Debes reservar tu entrada con anterioridad.
You must book your ticket in advance.
No teníamos conocimiento de los cambios con anterioridad a la reunión.
We had no knowledge of the changes prior to the meeting.
La anterioridad de su llegada le dio una ventaja clara.
The fact that he arrived earlier gave him a clear advantage.
Using 'Con Anterioridad' like an Adverb
Even though 'anterioridad' is a noun, the phrase 'con anterioridad' is used exactly like the word 'previously' or 'beforehand' in English.
The '-dad' Gender Rule
Words ending in '-dad' are almost always feminine in Spanish, so you use 'la' or 'una' with this word.
Using 'anterioridad' alone
Mistake: “Hice la reserva anterioridad.”
Correction: Hice la reserva con anterioridad.
Related Translations
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